Hello .It looks like RAM memory is low,you can make swap partition to 2-4G as install,then Mint use it like memory.Maybe you try install Cinnamon ,xfce is light version and works better on old computers.Test with live DVD before install.

wtlhk wrote:Ugh I don't think RAM is my problem, my computer has 4G RAM and I'm using cinnamon atm.. And everytime I run google earth and using unrar to extract files it always jumps out a blank window

Hi.I'm using Google maps http://maps.google.com/maps?hl=fi&tab=wl ,it's near same and can use with browser .Works fine .Don't need any programs to open it,just go to browser and google maps.Can see satelite maps ,street wiews same things as Google earth was before.My browser are setted to start with Google and can see many things like You,Search,Picture search,Maps,Play,YouTube,Gmail,Drive,Calender,Translator and more.When installed Mint to your computer there open Mint sites with Google as you open FireFox.If changed you can search with google site google and make bookmark.Just go to FireFox and Edit/Settings/use bookmarks as you have it.You don't need open RAR-files for linux,there are programs in packages what you can load with Synamptic.Them are made for Mint you use and works better on it.If you want use some programs from windows with wine ,RAR-files can open with archiver.